Microphone Tester

Live level meter, waveform, peak hold, optional recording/playback. Uses Web Audio + getUserMedia().

Idle

Live Input

Input Device

Gain (software)

1.00×

Level: -∞ dB • Peak: -∞ dB • Noise floor: —

-60 dB-30 dB-12 dB-6 dB0 dB

Waveform

Sample rate

—

FFT size

2048

Smoothing

0.80

Stream

—

Tip: If your mic looks “dead”, check OS input device selection and any hardware mute switch. Some browsers require HTTPS for device access.

Recording uses MediaRecorder when available (Chrome/Edge/Firefox generally support it). If it’s unavailable, the live meter/waveform still work.

Clip warning at

-1.0 dB

Silence threshold

-55 dB

Signal state

—

Peak hold

—

Clipping

—

Recorder

—

If you see “Silence” but the OS mic meter moves, try a different browser or make sure the page is not blocked from using the mic.